A slide form base

• Download demo - 6 Kb
• Download source - 14 Kb

Introduction

Sometime ago, I needed a form that had a sliding panel on its side. I’ve checked the web to avoid coding. I’ve found a solution on www.codeguru.com. I’ve used and improved the C++/MFC code. Since, I use C# for my development, you can find here the result of my work. The form class must be inherited and the specialized form must implement a special constructor. You can find below a small example.

Design of a simple slide form

Use the “Add inherited form” wizard in Visual Studio .NET, and select the SlideForm in the inheritance picker dialog.

You’ve got the following form in your project:

Resize and customize it with the appropriate controls. Keep in mind that this form will be hidden by the main form, so, ensure that the child form is smaller than the parent:

Next, you must provide a special constructor for this slide form. This constructor take a reference on the parent form and the step of sliding. This step is a percentage of the slide form that will be showed at each ticks of timer.

public MySlideForm(Form poOwner, float pfStep) : base(poOwner, pfStep) 
{
    InitializeComponent();
} 

We are done with the sliding form. Now, have a look of the way we will make our slide form slide. First, instantiate the slide form:

// In parent form constructor for instance
oSlideForm = new MySlideForm(this, 0.1f); 
// ...

Next, in the handler of the button that command the sliding of the form, use the following code:

// ...
_oSlideForm.SlideDirection = SlideDialog.SlideDialog.SLIDE_DIRECTION.RIGHT; 
_oSlideForm.Slide(); 
// ...

In this example, the form will slide by the right side of the parent form. That's all! Enjoy!

History

• Initial posting - December 2002

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