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sanity check for panel render target size
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@ -213,6 +213,8 @@ namespace MLEM.Ui.Elements {
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// update the render target
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var targetArea = (Rectangle) this.GetRenderTargetArea();
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if (targetArea.Width <= 0 || targetArea.Height <= 0)
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return;
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if (this.renderTarget == null || targetArea.Width != this.renderTarget.Width || targetArea.Height != this.renderTarget.Height) {
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if (this.renderTarget != null)
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this.renderTarget.Dispose();
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