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UI for WinForms Forum
1 answer
318 views
See attached image, I would like to change background color to the very last total row while leaving the subtotal rows background color.

Is that possible?

Best Regards
Andrea.


Jack
Telerik team
 answered on 03 Apr 2013
7 answers
293 views
Hi,

it´s a stupid question.

I don´t know whether I have written in the correct thread, I wanted to write in editor´s thread.

my question is this. I can´t set a background color to my textbox. I have tried this code snippet but didn´t change its color.

this.txtName.BackColor = System.Drawing.Color.Yellow; 
 
Do you know why I can´t change it?

Thank you
Stefan
Telerik team
 answered on 01 Apr 2013
3 answers
463 views
How to add filter on Group Header?

The issue is user must cancel the Group before filtering.

Please refer the picture from attachment
Thank You.
Jack
Telerik team
 answered on 01 Apr 2013
1 answer
100 views
I had created a sample project using radwinforms
Then put rad ribbon bar in the main form.then created a tab and group in the ribbon bar.
Then i put an imagebuttonelement1 and set properties Image,ImageHoverd.
Then compiled and execute4d the application .Image is showing fine on the button but when mouse arrow hovered over the button, image not changing .What will i do to change image of button when mouse hovered ?
Peter
Telerik team
 answered on 01 Apr 2013
1 answer
365 views
When I am within a selectedindexchanged event of a listcontrol and I try to programmatically change the selectedindex value, the change does not take.  The concept is that "new" is the first item in the list and when "new" is selected an actual new record is inserted into the listcontrol and I want to position the selection to the new item.  The command does not error but the selectedindex does not change either.  This is also the case if you try to change it from the debugger.  Any suggestions on how to accomplish this?
Peter
Telerik team
 answered on 01 Apr 2013
1 answer
114 views
If i double clicked on radscheduler i will get add new appointment dialog.
I want to do the same when clicked on a button created by me. How?
Stefan
Telerik team
 answered on 01 Apr 2013
2 answers
168 views
I am trying to prevent the editing of a certain node with this event handler:

private void radTreeView_Editing(object sender, TreeNodeEditingEventArgs e)
{
    if (e.Node.Text == "abc")
    {
        e.Node.CancelEdit();
    }
}

It appears that I am missing something because the node text is still editable and this exception is thrown:

System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.WinControls.UI.RadTreeViewElement.BeginEdit()
   at Telerik.WinControls.UI.RadTreeViewElement.mouseUpTimer_Tick(Object sender, EventArgs e)
   at System.Windows.Forms.Timer.OnTick(EventArgs e)
   at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Any suggestions?
Paul
Top achievements
Rank 1
 answered on 29 Mar 2013
2 answers
332 views
I am using the RichTexBox to read HTML and export it as a PDF. However, I have multiple sources of HTML that each need to have their own page within the PDF file. I got the exporting to work but I can't get a page break to be inserted between each body of HTML.
What would be the best way to go about this?

Thanks!
Bailey
Top achievements
Rank 1
 answered on 29 Mar 2013
3 answers
275 views
Hi,

Is it possible to insert a column that's not part of the main datasource of a pivot grid, kinda difficult to explain but what I want to do is:

1. Show a pivot grid with aggregate columns over a time period.
2. Insert a start position from another datasource.

If you look at the attached image, it might give a better clue as to what I want to do:

The Column in Red, Start Inventory, is the column I want to insert, this data comes from a second dataset, the key being stock item.

The Totals Column is just the sum of Purchases / Sales / Loss.

What would be cool would be to add a second column that would calculate the Start Inventory - Totals (not shown on image)

Hope this makes sense,

Cheers

Shaun.


Cheers

Shaun.
Peter
Telerik team
 answered on 29 Mar 2013
1 answer
127 views

I create tree with nodes like in example. When I use scroll on mouse for scrolling up and down Node18 state changed from checked to unchecked and back on GUI. When Nodes18 state is unchecked and I select any node, Node18 state changed to checked on GUI. This is easy to reproduce. I use 2013 Q1 SP1. This code was generated by VS automatically.

 

How do you suggest resolving this?

 

Code example:

    

private void InitializeComponent()
{
  Telerik.WinControls.UI.RadTreeNode radTreeNode1 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode2 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode3 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode4 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode5 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode6 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode7 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode8 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode9 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode10 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode11 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode12 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode13 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode14 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode15 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode16 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode17 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode18 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode19 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode20 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode21 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode22 = new Telerik.WinControls.UI.RadTreeNode();
  Telerik.WinControls.UI.RadTreeNode radTreeNode23 = new Telerik.WinControls.UI.RadTreeNode();
  this.radTreeView1 = new Telerik.WinControls.UI.RadTreeView();
  ((System.ComponentModel.ISupportInitialize)(this.radTreeView1)).BeginInit();
  this.SuspendLayout();
  //
  // radTreeView1
  //
  this.radTreeView1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
        | System.Windows.Forms.AnchorStyles.Left)
        | System.Windows.Forms.AnchorStyles.Right)));
  this.radTreeView1.BackColor = System.Drawing.SystemColors.Control;
  this.radTreeView1.Cursor = System.Windows.Forms.Cursors.Default;
  this.radTreeView1.Font = new System.Drawing.Font("Segoe UI", 8.25F);
  this.radTreeView1.ForeColor = System.Drawing.Color.Black;
  this.radTreeView1.Location = new System.Drawing.Point(12, 12);
  this.radTreeView1.Name = "radTreeView1";
  radTreeNode1.Expanded = true;
  radTreeNode1.Name = "Node1";
  radTreeNode2.Name = "Node2";
  radTreeNode2.Text = "Node2";
  radTreeNode3.Name = "Node3";
  radTreeNode3.Text = "Node3";
  radTreeNode4.Name = "Node4";
  radTreeNode4.Text = "Node4";
  radTreeNode5.Name = "Node5";
  radTreeNode5.Text = "Node5";
  radTreeNode6.Name = "Node6";
  radTreeNode6.Text = "Node6";
  radTreeNode7.Name = "Node7";
  radTreeNode7.Text = "Node7";
  radTreeNode8.Name = "Node8";
  radTreeNode8.Text = "Node8";
  radTreeNode9.Name = "Node9";
  radTreeNode9.Text = "Node9";
  radTreeNode10.Name = "Node10";
  radTreeNode10.Text = "Node10";
  radTreeNode11.Name = "Node11";
  radTreeNode11.Text = "Node11";
  radTreeNode12.Name = "Node12";
  radTreeNode12.Text = "Node12";
  radTreeNode13.Name = "Node13";
  radTreeNode13.Text = "Node13";
  radTreeNode14.Name = "Node14";
  radTreeNode14.Text = "Node14";
  radTreeNode15.Name = "Node15";
  radTreeNode15.Text = "Node15";
  radTreeNode1.Nodes.AddRange(new Telerik.WinControls.UI.RadTreeNode[] {
        radTreeNode2,
        radTreeNode3,
        radTreeNode4,
        radTreeNode5,
        radTreeNode6,
        radTreeNode7,
        radTreeNode8,
        radTreeNode9,
        radTreeNode10,
        radTreeNode11,
        radTreeNode12,
        radTreeNode13,
        radTreeNode14,
        radTreeNode15});
  radTreeNode1.Text = "Node1";
  radTreeNode16.Expanded = true;
  radTreeNode16.Name = "Node16";
  radTreeNode17.CheckType = Telerik.WinControls.UI.CheckType.RadioButton;
  radTreeNode17.Name = "Node17";
  radTreeNode17.Text = "Node17";
  radTreeNode18.CheckState = Telerik.WinControls.Enumerations.ToggleState.Indeterminate;
  radTreeNode18.CheckType = Telerik.WinControls.UI.CheckType.RadioButton;
  radTreeNode18.Expanded = true;
  radTreeNode18.Name = "Node18";
  radTreeNode19.CheckType = Telerik.WinControls.UI.CheckType.CheckBox;
  radTreeNode19.Name = "Node19";
  radTreeNode19.Text = "Node19";
  radTreeNode20.CheckType = Telerik.WinControls.UI.CheckType.CheckBox;
  radTreeNode20.Name = "Node20";
  radTreeNode20.Text = "Node20";
  radTreeNode21.CheckType = Telerik.WinControls.UI.CheckType.CheckBox;
  radTreeNode21.Name = "Node21";
  radTreeNode21.Text = "Node21";
  radTreeNode22.CheckType = Telerik.WinControls.UI.CheckType.CheckBox;
  radTreeNode22.Name = "Node22";
  radTreeNode22.Text = "Node22";
  radTreeNode23.CheckType = Telerik.WinControls.UI.CheckType.CheckBox;
  radTreeNode23.Name = "Node23";
  radTreeNode23.Text = "Node23";
  radTreeNode18.Nodes.AddRange(new Telerik.WinControls.UI.RadTreeNode[] {
        radTreeNode19,
        radTreeNode20,
        radTreeNode21,
        radTreeNode22,
        radTreeNode23});
  radTreeNode18.Text = "Node18";
  radTreeNode16.Nodes.AddRange(new Telerik.WinControls.UI.RadTreeNode[] {
        radTreeNode17,
        radTreeNode18});
  radTreeNode16.Text = "Node16";
  this.radTreeView1.Nodes.AddRange(new Telerik.WinControls.UI.RadTreeNode[] {
        radTreeNode1,
        radTreeNode16});
  this.radTreeView1.RightToLeft = System.Windows.Forms.RightToLeft.No;
  this.radTreeView1.Size = new System.Drawing.Size(260, 238);
  this.radTreeView1.SpacingBetweenNodes = -1;
  this.radTreeView1.TabIndex = 0;
  this.radTreeView1.Text = "radTreeView1";
  //
  // Form1
  //
  this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
  this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
  this.ClientSize = new System.Drawing.Size(284, 262);
  this.Controls.Add(this.radTreeView1);
  this.Name = "Form1";
  this.Text = "Form1";
  ((System.ComponentModel.ISupportInitialize)(this.radTreeView1)).EndInit();
  this.ResumeLayout(false);
 
}
 
private Telerik.WinControls.UI.RadTreeView radTreeView1;

 

UPDATE : This causes for node18 because it set as 
radTreeNode18.CheckState = Telerik.WinControls.Enumerations.ToggleState.Indeterminate;

Julian Benkov
Telerik team
 answered on 29 Mar 2013
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