The SplitContainer control within the current library uses default settings that do not reflect property changes unless redrawn. The article discusses the enhancement of property-setting methods, ensuring any property change updates the appearance immediately. Two new events are added for WinForms controls in Defines.mqh, enhancing control responsiveness. For example, a SplitContainer's separator now properly interacts with mouse events, improves its appearance when moved, and correctly signals movement to the parent element.

The BringToTop() method fix resolves visibility issues seen with the hidden separator. Flag checks are introduced in various involved methods to control when the element drawing is necessary and restrict unintended displays.

Moreover, new methods for collapsing and expanding panels have been introduced in SplitContainer.mqh. Th...
#MQL5 #MT5 #Algorithm #Controls

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