///<summary>It is planned to move some of this logic to OnPaint and use a true double buffer.</summary>
public void CreateShadow()
{
if (this.Parent is ContrApptSheet)
{
bool isVisible = ApptDrawing.GetIndexOp(OpNum) >= 0;
if (!isVisible)
{
return;
}
}
DisposeShadow();
if (Width < 4)
{
return;
}
if (Height < 4)
{
return;
}
Shadow = new Bitmap(Width, Height);
using (Graphics g = Graphics.FromImage(Shadow)) {
ApptSingleDrawing.DrawEntireAppt(g, DataRoww, PatternShowing, Width, Height, IsSelected, ThisIsPinBoard, SelectedAptNum,
ApptViewItemL.ApptRows, ApptViewItemL.ApptViewCur, TableApptFields, TablePatFields, 8, false);
//In most cases, drawing will be taken care of by ContrApptSheet.DoubleBufferDraw().
//However, BackgroundImage must be set here to draw the bitmap when when dragging.
this.BackgroundImage = Shadow;
}
}
///<summary>It is planned to move some of this logic to OnPaint and use a true double buffer.</summary>
public void CreateShadow()
{
if (this.Parent is ContrApptSheet)
{
bool isVisible = ApptDrawing.GetIndexOp(OpNum) >= 0;
if (!isVisible)
{
return;
}
}
DisposeShadow();
if (Width < 4)
{
return;
}
if (Height < 4)
{
return;
}
Bitmap shadowNew = new Bitmap(Width, Height);
using (Graphics g = Graphics.FromImage(shadowNew)) {
ApptSingleDrawing.DrawEntireAppt(g, DataRoww, PatternShowing, Width, Height, IsSelected, ThisIsPinBoard, SelectedAptNum,
ApptViewItemL.ApptRows, ApptViewItemL.ApptViewCur, TableApptFields, TablePatFields, 8, false);
}
//In most cases, drawing will be taken care of by ContrApptSheet.DoubleBufferDraw().
//However, BackgroundImage must be set here to draw the bitmap when when dragging.
//If this was inside the using block, a GDI+ exception would sometimes be thrown because the graphics object would still be accessing the
//image data when the image reference was changed.
Shadow = shadowNew;
BackgroundImage = shadowNew;
}