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dotnet-desktop-guide/framework/winforms/controls/progressbar-control-overview-windows-forms.md

@@ -0,0 +1,35 @@
+---
+title: "ProgressBar Control Overview"
+ms.date: "03/30/2017"
+f1_keywords: 
+  - "ProgressBar"
+helpviewer_keywords: 
+  - "ProgressBar control [Windows Forms], about ProgressBar control"
+  - "progress controls [Windows Forms], about progress controls"
+ms.assetid: a05d9cba-3a6a-4f8f-94b8-8ec12799fb80
+---
+# ProgressBar Control Overview (Windows Forms)
+> [!IMPORTANT]
+> The <xref:System.Windows.Forms.ToolStripProgressBar> control replaces and adds functionality to the <xref:System.Windows.Forms.ProgressBar> control; however, the <xref:System.Windows.Forms.ProgressBar> control is retained for both backward compatibility and future use, if you choose.  
+  
+ The Windows Forms <xref:System.Windows.Forms.ProgressBar> control indicates the progress of a process by displaying an appropriate number of rectangles arranged in a horizontal bar. When the process is complete, the bar is filled. Progress bars are commonly used to give the user an idea of how long to wait for a process to complete; for instance, when a large file is being loaded.  
+  
+> [!NOTE]
+> The <xref:System.Windows.Forms.ProgressBar> control can only be oriented horizontally on the form.  
+  
+## Key Properties and Methods  
+ The key properties of the <xref:System.Windows.Forms.ProgressBar> control are <xref:System.Windows.Forms.ProgressBar.Value%2A>, <xref:System.Windows.Forms.ProgressBar.Minimum%2A>, and <xref:System.Windows.Forms.ProgressBar.Maximum%2A>. The <xref:System.Windows.Forms.ProgressBar.Minimum%2A> and <xref:System.Windows.Forms.ProgressBar.Maximum%2A> properties set the maximum and minimum values the progress bar can display. The <xref:System.Windows.Forms.ProgressBar.Value%2A> property represents the progress that has been made toward completing the operation. Because the bar displayed in the control is composed of blocks, the value displayed by the <xref:System.Windows.Forms.ProgressBar> control only approximates the <xref:System.Windows.Forms.ProgressBar.Value%2A> property's current value. Based on the size of the <xref:System.Windows.Forms.ProgressBar> control, the <xref:System.Windows.Forms.ProgressBar.Value%2A> property determines when to display the next block.  
+  
+ The most common way to update the current progress value is to write code to set the <xref:System.Windows.Forms.ProgressBar.Value%2A> property. In the example of loading a large file, you might set the maximum to the size of the file in kilobytes. For example, if the <xref:System.Windows.Forms.ProgressBar.Maximum%2A> property is set to 100, the <xref:System.Windows.Forms.ProgressBar.Minimum%2A> property is set to 10, and the <xref:System.Windows.Forms.ProgressBar.Value%2A> property is set to 50, 5 rectangles will be displayed. This is half of the number that can be displayed.  
+  
+ However, there are other ways to modify the value displayed by the <xref:System.Windows.Forms.ProgressBar> control, aside from setting the <xref:System.Windows.Forms.ProgressBar.Value%2A> property directly. The <xref:System.Windows.Forms.ProgressBar.Step%2A> property can be used to specify a value to increment the <xref:System.Windows.Forms.ProgressBar.Value%2A> property by. Then, calling the <xref:System.Windows.Forms.ProgressBar.PerformStep%2A> method will increment the value. To vary the increment value, you can use the <xref:System.Windows.Forms.ProgressBar.Increment%2A> method and specify a value with which to increment the <xref:System.Windows.Forms.ProgressBar.Value%2A> property.  
+  
+ Another control that graphically informs the user about a current action is the <xref:System.Windows.Forms.StatusBar> control.  
+  
+> [!IMPORTANT]
+> The <xref:System.Windows.Forms.StatusStrip> and <xref:System.Windows.Forms.ToolStripStatusLabel> controls replace and add functionality to the <xref:System.Windows.Forms.StatusBar> and <xref:System.Windows.Forms.StatusBarPanel> controls; however, the <xref:System.Windows.Forms.StatusBar> and <xref:System.Windows.Forms.StatusBarPanel> controls are retained for both backward compatibility and future use, if you choose.  
+  
+## See also
+
+- <xref:System.Windows.Forms.ProgressBar>
+- [ProgressBar Control](progressbar-control-windows-forms.md)