void host_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (renderTarget != null)
{
// Resize the render targrt to the actual host size
renderTarget.Resize(new SizeU((uint)(host.ActualWidth), (uint)(host.ActualHeight)));
}
InvalidateVisual();
}
void renderControl_SizeChanged(object sender, EventArgs e)
{
if (renderTarget != null)
{
// Resize the render targrt to the actual host size
SizeU size = new SizeU((uint)renderControl.ClientSize.Width, (uint)renderControl.ClientSize.Height);
renderTarget.Resize(size);
}
}
void host_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (renderTarget != null)
{
// Resize the render targrt to the actual host size
renderTarget.Resize(new SizeU((uint)(host.ActualWidth), (uint)(host.ActualHeight)));
// Resize the text layout max width and height as well
textLayout.MaxWidth = (float)host.ActualWidth;
textLayout.MaxHeight = (float)host.ActualHeight;
}
InvalidateVisual();
}
protected override void OnResize(EventArgs e)
{
lock (renderSyncObject)
{
if (RenderTarget != null)
{
// Resize the render targrt to the actual host size
var size = new SizeU((uint)ClientSize.Width, (uint)ClientSize.Height);
if (hwndRenderTarget != null)
{
hwndRenderTarget.Resize(size); //need to resize hwndRenderTarget to make its size same as the window's size
}
if (renderMode == RenderModes.BitmapRenderTargetOnPaint)
{
bitmapRenderTarget.Dispose();
bitmapRenderTarget = dcRenderTarget.CreateCompatibleRenderTarget(CompatibleRenderTargetOptions.GdiCompatible, new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(ClientSize.Width, ClientSize.Height));
bitmap = null; //the bitmap created in dc render target can't be used in hwnd render target
foreach (var shape in drawingShapes)
{
shape.Bitmap = Bitmap;
shape.RenderTarget = RenderTarget;
}
RefreshAll();
}
else if (renderMode == RenderModes.BitmapRenderTargetRealTime)
{
Debug.Assert(hwndRenderTarget != null);//this should never be null considering the above
bitmapRenderTarget.Dispose();
bitmapRenderTarget = hwndRenderTarget.CreateCompatibleRenderTarget(CompatibleRenderTargetOptions.GdiCompatible, new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(ClientSize.Width, ClientSize.Height));
bitmap = null; //the bitmap created in dc render target can't be used in hwnd render target
foreach (var shape in drawingShapes)
{
shape.Bitmap = Bitmap;
shape.RenderTarget = RenderTarget;
}
RefreshAll();
}
}
}
base.OnResize(e);
}
