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| Description: The relation between a TabControl and its TabPages is not always clear. Here is a little sample how to paint on a particular TabPage, making use of a Paint event handler. By just adding a new event handler, it is included in the chain of paint event handlers. It is a good practise to remove the paint handler again after we are done with it. In the example we already install a Paint event handler when the form hosting the TabControl is loaded and we remove the handler when the form is closed.
In this simple sample we install a paint handler that simply draws a line on a tabpage.
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Code:
private void tabPage1_Paint(object sender, PaintEventArgs pe)
{
Graphics gfx = pe.Graphics;
gfx.DrawLine(new Pen(Color.Gold), 10, 10, 100, 100);
} private void Form1_Load(object sender, System.EventArgs e)
{
tabPage1.Paint += new PaintEventHandler(tabPage1_Paint);
} private void Form1_Closing(object sender,
System.ComponentModel.CancelEventArgs e)
{
tabPage1.Paint -= new PaintEventHandler(tabPage1_Paint);
}
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