protected override void OnMouseMove(System.Windows.Forms.MouseEventArgs e) { base.OnMouseMove(e); if (this.CapturingMouse) { System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(0, 0, base.get_Width(), base.get_Height()); this.btnState = System.Windows.Forms.VisualStyles.ComboBoxState.Normal; if (((e.get_X() >= rectangle.get_Left()) && (e.get_X() <= rectangle.get_Right())) && ((e.get_Y() >= rectangle.get_Top()) && (e.get_Y() <= rectangle.get_Bottom()))) { this.btnState = System.Windows.Forms.VisualStyles.ComboBoxState.Pressed; } base.set_Capture(true); base.Invalidate(); } else if (!this.get_Focused() && (this.btnState != System.Windows.Forms.VisualStyles.ComboBoxState.Hot)) { this.btnState = System.Windows.Forms.VisualStyles.ComboBoxState.Hot; base.Invalidate(); } }