Questions on UI for WinForms Forum

2 answers

85 views

[Solved] Problem with Office2010 themes and docking under

Hello Telerik support,

I am using Office2010 themes (black, blue and silver) wth RadDock. There seems to be a problem when one want to dock a window under another with these themes: instead of docking under, it docks overs as if over the tab icon instead of the down arrow. There seems to have no problem on Right, top and left arrows. With other themes, I did not see such issue.

Tell me if this is not clear (it is not easy to explain).

Regards.

Dock

answered on 22 Jul 2013

2 answers

152 views

[Solved] Drag and Drop element - get target TileGroupElement

Hi,
in my scenario I need to know target TileGroupElement of drag and drop operation.
I try to use PreviewDragOver event:

AddHandler RadPanorama1.PanoramaElement.DragDropService.PreviewDragOver, AddressOf PreviewDragOver

and

Private Sub PreviewDragOver(sender As Object, e As RadDragOverEventArgs)

'TARGET NAME

rlabHello.Text = e.HitTarget.GetType.ToString

End Sub

When I do "Drag Over" RadTileElement I get RadTileElement, but when I do "Drag Over" TileGroupElement I get RadPanoramaElement.

How I can get TileGroupElement in both cases?

Thanks,
Marek

Panorama

answered on 22 Jul 2013

1 answer

110 views

Track Controller

Hi
I would need to do something like that:
http://www.radgametools.com/images/telethreads_big.png
Is it possible with your C# controls?
I didn't find how I would do it looking at the demos.
It needs to support thousands of "box"

Thanks

Nicolas Babin

General Discussions

answered on 22 Jul 2013

7 answers

194 views

[Solved] Documentation "Buttons" not working

private void SizeModeClick(object sender, EventArgs e)

{

RadMenuButtonItem item = sender as RadMenuButtonItem;

pictureBox1.SizeMode = (PictureBoxSizeMode)Convert.ToInt32(item.Tag);

sbSizeMode.Text = item.Text;

}

The above code from the step by step tutorial is throwing a NullReference Exception. I bolded the line that has the error, VS2012 says it should have a "new", but when i do that it will not compile.

System.NullReferenceException was unhandled
HResult=-2147467261
Message=Object reference not set to an instance of an object.
Source=Winformtutorial
StackTrace:
       at Winformtutorial.RadForm1.SizeModeClick(Object sender, EventArgs e) in d:\visual studio 12\Projects\Winformtutorial\Winformtutorial\RadForm1.cs:line 43
       at System.Windows.Forms.Control.OnClick(EventArgs e)
       at Telerik.WinControls.RadControl.OnClick(EventArgs e)
       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
       at Telerik.WinControls.RadControl.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at Winformtutorial.Program.Main() in d:\visual studio 12\Projects\Winformtutorial\Winformtutorial\Program.cs:line 18
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
InnerException:

Documentation

answered on 19 Jul 2013

1 answer

127 views

[Solved] Drag and Drop element - copy

Hi,
I need to make a copy when you drag an item instead of moving.
How to do it in the easiest way?

Thanks,
Marek

Panorama

answered on 19 Jul 2013

1 answer

184 views

Unable to Open Project

I have a VS.net (VB.net) 2010 project that I built last year and haven't opened since. I'm sure the version of the controls I had installed at that time was older than what I have now. Now, when I try to open that project I get a VS error that forces close, which is preventing me from being able to work with my project. The VS error references Telerik.WinControls.GridView and says essentially "File Not Found". How can I update this project so that it will now just use the current version of the controls that I have installed?

Visual Studio Extensions

answered on 19 Jul 2013

4 answers

218 views

[Solved] Hierarchy seems to not work correctly?

Hey there,

I've been looking around for ages and just can't seem to find anything that resembles the problem I have (Or I'm not looking for the right things). This is also why the title is so vague. I just don't know what's going wrong exactly

I'm trying to build hierarchy in a grid. At first I tried to create one programmatically. That one ended up looking like the image attached. So, I thought, perhaps I ended up making an error, thus I tried creating the intended grid through the property builder. But that one too ended up looking like attached image.

The designer code is as followed:

<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _

Partial Class SetsForm

Inherits Telerik.WinControls.UI.RadForm

'Form overrides dispose to clean up the component list.

<System.Diagnostics.DebuggerNonUserCode()> _

Protected Overrides Sub Dispose(ByVal disposing As Boolean)

Try

If disposing AndAlso components IsNot Nothing Then

components.Dispose()

End If

Finally

MyBase.Dispose(disposing)

End Try

End Sub

'Required by the Windows Form Designer

Private components As System.ComponentModel.IContainer

'NOTE: The following procedure is required by the Windows Form Designer

'It can be modified using the Windows Form Designer.

'Do not modify it using the code editor.

<System.Diagnostics.DebuggerStepThrough()> _

Private Sub InitializeComponent()

Dim GridViewComboBoxColumn1 As Telerik.WinControls.UI.GridViewComboBoxColumn = New Telerik.WinControls.UI.GridViewComboBoxColumn()

Dim GridViewTextBoxColumn1 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim GridViewTextBoxColumn2 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim GridViewTextBoxColumn3 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim SortDescriptor1 As Telerik.WinControls.Data.SortDescriptor = New Telerik.WinControls.Data.SortDescriptor()

Dim GridViewRelation1 As Telerik.WinControls.UI.GridViewRelation = New Telerik.WinControls.UI.GridViewRelation()

Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(SetsForm))

Dim GridViewTextBoxColumn4 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim GridViewTextBoxColumn5 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim GridViewTextBoxColumn6 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Dim GridViewTextBoxColumn7 As Telerik.WinControls.UI.GridViewTextBoxColumn = New Telerik.WinControls.UI.GridViewTextBoxColumn()

Me.RadGridView1 = New Telerik.WinControls.UI.RadGridView()

Me.GridViewTemplate1 = New Telerik.WinControls.UI.GridViewTemplate()

CType(Me.RadGridView1, System.ComponentModel.ISupportInitialize).BeginInit()

CType(Me.RadGridView1.MasterTemplate, System.ComponentModel.ISupportInitialize).BeginInit()

CType(Me.GridViewTemplate1, System.ComponentModel.ISupportInitialize).BeginInit()

CType(Me, System.ComponentModel.ISupportInitialize).BeginInit()

Me.SuspendLayout()

'

'RadGridView1

'

Me.RadGridView1.AutoGenerateHierarchy = True

Me.RadGridView1.BackColor = System.Drawing.Color.FromArgb(CType(CType(191, Byte), Integer), CType(CType(219, Byte), Integer), CType(CType(255, Byte), Integer))

Me.RadGridView1.Cursor = System.Windows.Forms.Cursors.Default

Me.RadGridView1.Dock = System.Windows.Forms.DockStyle.Fill

Me.RadGridView1.EnterKeyMode = Telerik.WinControls.UI.RadGridViewEnterKeyMode.EnterMovesToNextCell

Me.RadGridView1.Font = New System.Drawing.Font("Segoe UI", 8.25!)

Me.RadGridView1.ForeColor = System.Drawing.Color.Black

Me.RadGridView1.ImeMode = System.Windows.Forms.ImeMode.NoControl

Me.RadGridView1.Location = New System.Drawing.Point(0, 72)

'

'RadGridView1

'

Me.RadGridView1.MasterTemplate.AllowColumnReorder = False

Me.RadGridView1.MasterTemplate.AllowDragToGroup = False

Me.RadGridView1.MasterTemplate.AutoGenerateColumns = False

Me.RadGridView1.MasterTemplate.AutoSizeColumnsMode = Telerik.WinControls.UI.GridViewAutoSizeColumnsMode.Fill

GridViewComboBoxColumn1.AllowGroup = False

GridViewComboBoxColumn1.EnableExpressionEditor = False

GridViewComboBoxColumn1.FieldName = "ProductSet_CompanyID"

GridViewComboBoxColumn1.HeaderText = "Bedrijf"

GridViewComboBoxColumn1.Name = "ProductSet_CompanyID"

GridViewComboBoxColumn1.Width = 93

GridViewTextBoxColumn1.AllowGroup = False

GridViewTextBoxColumn1.EnableExpressionEditor = False

GridViewTextBoxColumn1.FieldName = "ProductSet_SetReference"

GridViewTextBoxColumn1.HeaderText = "Set-Referentie"

GridViewTextBoxColumn1.MaxLength = 50

GridViewTextBoxColumn1.Name = "ProductSet_SetReference"

GridViewTextBoxColumn1.Width = 139

GridViewTextBoxColumn2.FieldName = "ProductSet_SetName"

GridViewTextBoxColumn2.HeaderText = "Set-Naam"

GridViewTextBoxColumn2.MaxLength = 255

GridViewTextBoxColumn2.Name = "ProductSet_SetName"

GridViewTextBoxColumn2.Width = 417

GridViewTextBoxColumn3.FieldName = "ProductSet_ID"

GridViewTextBoxColumn3.HeaderText = "column1"

GridViewTextBoxColumn3.IsVisible = False

GridViewTextBoxColumn3.Name = "ProductSet_ID"

GridViewTextBoxColumn3.SortOrder = Telerik.WinControls.UI.RadSortOrder.Ascending

GridViewTextBoxColumn3.Width = 47

Me.RadGridView1.MasterTemplate.Columns.AddRange(New

Telerik.WinControls.UI.GridViewDataColumn() {GridViewComboBoxColumn1, GridViewTextBoxColumn1, GridViewTextBoxColumn2, GridViewTextBoxColumn3})

Me.RadGridView1.MasterTemplate.EnableFiltering = True

Me.RadGridView1.MasterTemplate.EnableGrouping = False

SortDescriptor1.PropertyName = "ProductSet_ID"

Me.RadGridView1.MasterTemplate.SortDescriptors.AddRange(New Telerik.WinControls.Data.SortDescriptor() {SortDescriptor1})

Me.RadGridView1.MasterTemplate.Templates.AddRange(New Telerik.WinControls.UI.GridViewTemplate() {Me.GridViewTemplate1})

Me.RadGridView1.Name = "RadGridView1"

GridViewRelation1.ChildColumnNames = CType(resources.GetObject("GridViewRelation1.ChildColumnNames"), System.Collections.Specialized.StringCollection)

GridViewRelation1.ChildTemplate = Me.GridViewTemplate1

GridViewRelation1.ParentColumnNames = CType(resources.GetObject("GridViewRelation1.ParentColumnNames"), System.Collections.Specialized.StringCollection)

GridViewRelation1.ParentTemplate = Me.RadGridView1.MasterTemplate

GridViewRelation1.RelationName = "SetProductRelation"

Me.RadGridView1.Relations.AddRange(New Telerik.WinControls.UI.GridViewRelation() {GridViewRelation1})

Me.RadGridView1.RightToLeft = System.Windows.Forms.RightToLeft.No

Me.RadGridView1.ShowGroupPanel = False

Me.RadGridView1.Size = New System.Drawing.Size(668, 313)

Me.RadGridView1.TabIndex = 0

Me.RadGridView1.Text = "3"

Me.RadGridView1.UseScrollbarsInHierarchy = True

'

'GridViewTemplate1

'

Me.GridViewTemplate1.AutoGenerateColumns = False

Me.GridViewTemplate1.AutoSizeColumnsMode = Telerik.WinControls.UI.GridViewAutoSizeColumnsMode.Fill

GridViewTextBoxColumn4.FieldName = "ProductSetProduct_ID"

GridViewTextBoxColumn4.HeaderText = "ID"

GridViewTextBoxColumn4.Name = "ProductSetProduct_ID"

GridViewTextBoxColumn5.FieldName = "ProductSetProduct_SetID"

GridViewTextBoxColumn5.HeaderText = "SetID"

GridViewTextBoxColumn5.IsVisible = False

GridViewTextBoxColumn5.Name = "ProductSetProduct_SetID"

GridViewTextBoxColumn6.FieldName = "ProductSetProduct_ProductReference"

GridViewTextBoxColumn6.HeaderText = "Product-Reference"

GridViewTextBoxColumn6.MaxLength = 50

GridViewTextBoxColumn6.Name = "ProductSetProduct_ProductReference"

GridViewTextBoxColumn7.FieldName = "ProductSetProduct_ProductName"

GridViewTextBoxColumn7.HeaderText = "Product-Naam"

GridViewTextBoxColumn7.MaxLength = 255

GridViewTextBoxColumn7.Name = "ProductSetProduct_ProductName"

Me.GridViewTemplate1.Columns.AddRange(New

Telerik.WinControls.UI.GridViewDataColumn() {GridViewTextBoxColumn4, GridViewTextBoxColumn5, GridViewTextBoxColumn6, GridViewTextBoxColumn7})

Me.GridViewTemplate1.EnableFiltering = True

Me.GridViewTemplate1.EnableGrouping = False

'

'SetsForm

'

Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)

Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font

Me.ClientSize = New System.Drawing.Size(668, 385)

Me.Controls.Add(Me.RadGridView1)

Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.SizableToolWindow

Me.Name = "SetsForm"

'

Me.RootElement.ApplyShapeToControl = True

Me.Text = "Sets"

CType(Me.RadGridView1.MasterTemplate, System.ComponentModel.ISupportInitialize).EndInit()

CType(Me.RadGridView1, System.ComponentModel.ISupportInitialize).EndInit()

CType(Me.GridViewTemplate1, System.ComponentModel.ISupportInitialize).EndInit()

CType(Me, System.ComponentModel.ISupportInitialize).EndInit()

Me.ResumeLayout(False)

End Sub

Friend WithEvents RadGridView1 As Telerik.WinControls.UI.RadGridView

Friend WithEvents GridViewTemplate1 As Telerik.WinControls.UI.GridViewTemplate

End Class

Any ideas as to why this is happening? I use version 2013.1.321.40 of the telerik components

Thanks in advance,

Jasper

EDIT: Of course, I should state as to what's wrong of course...
I expected the columns of the second level to be
- ID
- Product-Reference
- Product-Naam

And the last column just 'not be there'

GridView

answered on 19 Jul 2013

1 answer

180 views

[Solved] Multiple levels hierarchy grid

Hi,
I have a data source which is a BindingList<Project> where Project is a class containing a Parent and a Children properties (as well as other properties like Id, Name, Description etc). The Parent property is of type Project and the Children property is of type BindingList<Project>. Suppose i don't know in advance the depth of this hierarchy, how can i configure the GridView to display it right? I couldn't find any useful demo, are there any that concern my issue?

Thanks ahead,
Uri

---------------------------------------------------
I figured it out!
I've added a ParentId property to the Project class and added a self reference to the gridview's relations collection:
this.radGridView1.Relations.AddSelfReference(this.radGridView1.MasterTemplate, "Id", "ParentId");

GridView

answered on 19 Jul 2013

4 answers

316 views

RadGridView CurrentRowChanged blows up form

Hello,

I can't seem to figure this error out. When I add the code below to the code for my main form it will throw the exception "An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object."

The form is to manage a series of applications I have been creating. The grid view shows a list of banned users and allows for Editing of the records as well as showing them. I have a few text boxes that act as a form so when a row is selected, data is shown there.

Private Sub Bans_Grid_CurrentRowChanged(sender As Object, e As Telerik.WinControls.UI.CurrentRowChangedEventArgs) Handles Bans_Grid.CurrentRowChanged

Bans_Name_txt.Text = e.CurrentRow.Cells.Item(3).Value.ToString 'It breaks on this line.

End Sub

I know its this line because if I comment it out the form loads perfectly fine.

GridView

answered on 19 Jul 2013

1 answer

223 views

[Solved] How to put an items text underneath the image?

I was wondering how an images text could be put underneath the image (its currently in a horizontal orientation). The code I have below is not doing the trick and I was hoping you could help on this, should be a quick solution. Thank you for your time.

private void addEmptyImages()

{

for (int i = 0; i < imagelistPictures.Images.Count; i++)

{

if (imagelistPictures.Images[i] != null)

{

ListViewDataItem item = new ListViewDataItem();

item.Tag = "Delay Render";

item.Text = "Page " + (i + 1).ToString();

item.Image = Properties.Resources.imageLoading;

item.ImageAlignment = ContentAlignment.MiddleCenter;

item.TextAlignment = ContentAlignment.TopLeft;