畢設要做一個雷達影像顯示的軟體，如何用滑塊實作影像的縮放，并在兩個文本框中輸出比例，比如20:1就輸出 20 1
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Coordinate Space and Transformation FunctionsThe following functions are used with coordinate spaces and transformations.
ClientToScreen
CombineTransform
DPtoLP
GetCurrentPositionEx
GetGraphicsMode
GetMapMode
GetViewportExtEx
GetViewportOrgEx
GetWindowExtEx
GetWindowOrgEx
GetWorldTransform
LPtoDP
MapWindowPoints
ModifyWorldTransform
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
ScreenToClient
SetGraphicsMode
SetMapMode
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
SetWorldTransform
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CSliderCtrl Class MembersConstruction
Attributes
Operations
Construction
CSliderCtrl Constructs a CSliderCtrl object.
Create Creates a slider control and attaches it to a CSliderCtrl object.
Attributes
GetLineSize Retrieves the line size of a slider control.
SetLineSize Sets the line size of a slider control.
GetPageSize Retrieves the page size of a slider control.
SetPageSize Sets the page size of a slider control.
GetRangeMax Retrieves the maximum position for a slider.
GetRangeMin Retrieves the minimum position for a slider.
GetRange Retrieves the minimum and maximum positions for a slider.
SetRangeMin Sets the minimum position for a slider.
SetRangeMax Sets the maximum position for a slider.
SetRange Sets the minimum and maximum positions for a slider.
GetSelection Retrieves the range of the current selection.
SetSelection Sets the range of the current selection.
GetChannelRect Retrieves the size of the slider control’s channel.
GetThumbRect Retrieves the size of the slider control’s thumb.
GetPos Retrieves the current position of the slider.
SetPos Sets the current position of the slider.
GetNumTics Retrieves the number of tick marks in a slider control.
GetTicArray Retrieves the array of tick mark positions for a slider control.
GetTic Retrieves the position of the specified tick mark.
GetTicPos Retrieves the position of the specified tick mark, in client coordinates.
SetTic Sets the position of the specified tick mark.
SetTicFreq Sets the frequency of tick marks per slider control increment.
GetBuddy Retrieves the handle to a slider control buddy window at a given location.
SetBuddy Assigns a window as the buddy window for a slider control.
GetToolTips Retrieves the handle to the tooltip control assigned to the slider control, if any.
SetToolTips Assigns a tooltip control to a slider control.
SetTipSide Positions a tooltip control used by a trackbar control.
Operations
ClearSel Clears the current selection in a slider control.
VerifyPos Verifies that the position of a slider control is between the minimum and maximum values.
ClearTics Removes the current tick marks from a slider control.
CSliderCtrl Overview | Base Class Members | Hierarchy Chart
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